Identify the rock/mineral please

[RockofAges]

Hello!

I am trying to identify both these rocks/minerals. I believe there are quartz crystals on top of the rock. I just do not know what kind of quartz. But I am having trouble identifying the rock underneath/around it. ty for your help.

 

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[BurntBear]

Looks like it was part of an open pocket the way the crystals formed on the top. The back appears to be a granitic host rock. The photos are a little blurry; but that looks like a neat contact point/pocket.

 

[RockofAges]

Hello!

I am trying to identify both these rocks/minerals. I believe there are quartz crystals on top of the rock. I just do not know what kind of quartz. But I am having trouble identifying the rock underneath/around it. ty for your help.

View attachment 1138754 View attachment 1138755

ty for the help... But what could be the cause of the reddish-orangish material that is on parts around the quartz please?

 

[RockofAges]

I am going to take pictures of my entire collection of them in the next day or two... I purchased them at an auction. Several more of around that size, but many of them are much smaller.

 

[BurntBear]

Iron, Manganese or Hematite are the likely suspects.

 

[RockofAges]

 

[Mitch Dickson]

I would have already crushed those and gone back for another pick up load You got a quartz contact point against granit with lots of iron or manganeeze in the seem. Gold wears an iron hat you know! If your waiting for "X marks the spot" I think you have already found it

 

[MrLee]

I would never suggest crushing terminated quartz crystals. Any gold, if any, will be minute to the point of wtf? Never destroy a specimen, never clean your coins and never waste your ZPG.

 

[Las Vegas Bob]

I would never suggest crushing terminated quartz crystals. Any gold, if any, will be minute to the point of wtf? Never destroy a specimen, never clean your coins and never waste your ZPG.

I concur, if I crushed every piece of quartz on matrix I would have lost hundreds of dollars in specimens, with a slim chance of getting any gold.